256 HYMENOPTEEA. 



laterally covered with a white pile, the centre roughened. Abdomen closely and finely 

 punctured above, thickly covered with fuscous pubescence; the first segment at the 

 base and the sides and the apices of the ventral segments bearing long white hair ; the 

 pygidium longitudinally striolate and sparsely covered with long white hairs. The 

 legs densely covered with white hair ; the tarsal spines reddish, and there is a row of 

 reddish spines on the inner margin of the hinder tibise ; the calcaria white. The wings 

 subhyaline, fuscous along the margin from the basal nervure to the apex. The post- 

 scutellum, a spot under the tegulse, two spots on the basal segment of the abdomen, 

 and the base of the third segment also, yellow. 



x 11. Myzine ornaticeps. (Tab. XII. fig. 24.) 



Nigra, abdomine linea maculisque duabus flavis; alis fusco-hyalinis, antice fumatis. § . 

 Long. 19 millim. 



Sab. Mexico, Acapulco and Rincon in Guerrero (H. H. Smith), Guadalajara in 

 Jalisco (Soge), North Yucatan (Gaumer). 



Head very strongly punctured, except behind the ocelli, densely covered with long 

 fulvous hair ; the ocelli in a pit, and behind them is a short transverse channel ; the 

 inner orbits of the eyes bright yellow; the mandibles with the basal half ferruginous. 

 The scape of the antenna? shining, and bearing a few large punctures ; the flagellum 

 covered with a pale pile, the apex red, the third and fourth joints subequal. The 

 prothorax very strongly punctured, behind finely and closely punctured, with some 

 larger punctures intermixed ; the mesonotum with the base finely punctured, the sides 

 impunctate, the other part with large scattered punctures, this being also the case with 

 the scutellum. The median segment opaque, a little roughened in the middle ; densely 

 covered with a pale pile. The pro- and mesonotum densely covered with fulvous 

 pubescence ; the pleuree with long white hair. Two marks on the front of the 

 pronotum, an incised mark on the mesonotum and one on either side close to the tegulse 

 (which are yellow), the postscutellum, a short curved mark on either side of the median 

 segment, and a mark below the tegulse, yellow. The abdomen shining, the black with 

 bluish reflections ; the third, fourth, and fifth segments with scattered punctures ; the 

 pygidium longitudinally striolate and with some long pale hair, the apex reddish ; the 

 basal segment densely covered with long pale hair ; the second and third segments, and 

 the apex of the first, almost without hair ; the other segments above sparsely covered 

 with short fuscous hair ; the sides and the ventral surface with long white hair on the 

 apical half of the segments ; there are two irregular marks on the sides of the first 

 and second abdominal segments, and a continuous line on the third and fourth seg- 

 ments, yellow. The legs covered with long, glistening white hair ; the tarsal spines 

 rufous ; the calcaria white ; the tibial spines reddish. The wings subhyaline, suffused 

 with fuscous along the margin from the basal nervure to the apex. 



